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Edit this profileWhere to find Daniel F. Niendorff, M.D.
- Oak Ridge location main office
990 Oak Ridge Tpke, Oak Ridge, TN 37830 - Johnson City location
400 N State Of Franklin Rd Rm 2746, Johnson City, TN 37604
About Dr. Niendorff
Based in Oak Ridge, TN, Daniel F. Niendorff, M.D. is listed in the NPI registry under critical care medicine. Daniel is also listed as specializing in internal medicine. According to Medicare claims data, Daniel cared for 92 Medicare patients across 132 services. The services billed most often include critical care, first 30-74 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. NPI 1700968732 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (865) 835-1000
- Email not available
Practice Locations
990 OAK RIDGE TPKE
Oak Ridge, TN 37830
400 N State Of Franklin Rd Rm 2746
Johnson City, TN 37604
Conditions Commonly Evaluated or Treated
Within Critical Care Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Blood & metabolism
- Dangerous electrolyte imbalance
Brain & nerve
- Hemorrhagic stroke
- Ruptured Brain Aneurysm
- Spinal Cord Injury
- Sudden Muscle Weakness Crisis
Brain & Nervous System
- Brain Swelling
- Fainting and syncope
- ICU Delirium and Confusion
- Ischemic stroke
- Status epilepticus
- Traumatic brain injury
Breathing & Lungs
- Collapsed lung
- Respiratory failure
- Severe asthma attack
- Severe Blood Clot in Lung
- Severe Pneumonia
Digestive emergencies
- Severe internal bleeding
Environmental emergencies
Heart & Circulation
- Cardiac Arrest
- Shock
- Torn Aorta
Heart & vascular
- Dangerous high blood pressure
- Sudden Heart Muscle Weakness
Infection & Sepsis
- Sepsis or blood infection
- Severe Allergic Shock
Infections
- Flesh-Eating Infection
- Meningitis
Injury & trauma
- Broken ribs
- Serious car crash injuries in child
Lung & breathing
- Critical COVID Complications
- Fluid in the Lungs
Medication reactions
- Severe Skin Peeling Reaction
Metabolic Emergencies
- Dangerous high blood sugar
- High Acid in Blood
Muscle & kidney
- Crush Injury
Organ Failure
- Acute kidney injury
- Multiple Organ Failure
- Severe Pancreatitis
- Sudden Liver Failure
Pregnancy emergencies
- Seizures During Pregnancy
Recovery
- Post-ICU Weakness
Substance emergencies
- Alcohol withdrawal
Toxicity & Trauma
- Drug overdose or poisoning
- Hypothermia and frostbite
- Severe Burns
Procedures & services
Airway & Breathing
- Airway Scope and Suctioning
- Breathing machine management
- Chest tube insertion
- Emergency intubation
- Tracheostomy
Airway procedures
Brain procedures
- Skull Bone Removal For Pressure Relief
Breathing support
- BiPAP therapy
- Breathing tube removal
- Inhaled Nitric Oxide Therapy
- Oxygen therapy
Consultation & Recovery
- Family ICU Consultation and Goals of Care
- Post-ICU Recovery Care
Digestive procedures
Emergency surgery
- Emergency Chest Opening for Trauma
Fluid Drainage
Heart procedures
Heart support
ICU recovery
- Bedsore and Wound Dressing
- Early ICU Physical Rehab
Lab tests & monitoring
- Blood Gas Testing
Life Support
- Cardioversion for rapid heartbeat
- CPR and defibrillation
- ECMO (Heart-Lung Machine)
- Stomach Positioning for Lung Failure
- Targeted Body Cooling
- Temporary Pacemaker Placement
- Ventilator Support
Medication therapies
- Emergency Clot-Busting Medication
Medications & Infusions
- Emergency Blood Transfusion
- ICU Sedation and Pain Relief
- IV Blood Pressure Support (Pressors)
Monitoring
- Bladder and Belly Pressure Check
- Brain Blood Flow Ultrasound
- Brain Pressure Monitor Placement
- Continuous Brain Wave Monitoring
- Emergency ultrasound
- Heart Pressure Catheter Monitoring
- Lumbar puncture
Nutrition & Digestion
Nutrition support
- IV Nutrition For Preemies
Organ Support
- Continuous Dialysis in the ICU
- Plasmapheresis
Vascular Access
- Arterial catheter placement
- Central line placement
Procedures Most Often Billed to Medicare
132 services · 92 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
85 | As often as other peers in Critical Care Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
32 | Less often than most peers in Critical Care Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
15 | Less often than most peers in Critical Care Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Daniel F. Niendorff specialize in?
Daniel F. Niendorff is a critical care physician in Oak Ridge, TN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Critical Care Medicine”.
NPI registry
Where is Daniel F. Niendorff located?
Daniel F. Niendorff is listed at 990 Oak Ridge Tpke, Oak Ridge, TN 37830. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Daniel F. Niendorff's phone number?
The number on file is (865) 835-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Daniel F. Niendorff's NPI number?
Daniel F. Niendorff's National Provider Identifier is 1700968732. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Daniel F. Niendorff been practicing?
Daniel F. Niendorff has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Daniel F. Niendorff do most often?
According to Medicare billing data, Daniel F. Niendorff the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Daniel F. Niendorff confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Daniel F. Niendorff. If this is you, claiming it is free.
Guide.md
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